Submission #900208

#	Time	Username	Problem	Language	Result	Execution time	Memory
900208		VMaksimoski008	Job Scheduling (CEOI12_jobs)	C++14	100 / 100	125 ms	4360 KiB

jobs

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using pii = pair<int, int>;

int N, D, M;
vector<int> v, cnt;

bool check(int mid) {
    int left = mid;
    queue<pii> q;

    for(int i=1; i<=N; i++) {
        left = mid;

        if(cnt[i]) q.push({ i, cnt[i] });

        while(left > 0 && !q.empty()) {
            if(i - q.front().first > D) return false;
            q.front().second--;
            if(q.front().second == 0) q.pop();
            left--;
        }
    }

    return true;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    cin >> N >> D >> M;
    v.resize(M);
    cnt.resize(N+1);
    for(int &x : v) cin >> x, cnt[x]++;
    sort(all(v));

    int l=1, r=M;
    int ans = 0;

    while(l <= r) {
        int mid = (l + r) / 2;
        if(check(mid)) ans = mid, r = mid - 1;
        else l = mid + 1;
    }

    cout << ans << '\n';
    for(int i=1; i<=N; i++) cout << 0 << '\n';
    return 0;
}

• Subtask 1: 100 / 100